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Define centre of mass....

Define centre of mass.

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JBD PUBLICATION-MOTION OF SYSTEM OF PARTICLES AND RIGID BODY-EXAMPLE
  1. Does the angular momentum of an eletron remain consered when the elect...

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  2. What is an isolated system?

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  3. Define centre of mass.

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  4. What is rotational analogue of mass?

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  5. Is radius of gyration of a body a constant quantity?

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  6. About which axis is moment of inertia of cube minimum?

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  7. Find the expression for moment of inertia of a thin uniform rod abou...

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  8. Which law is used by a ballet dancer to change her speed or rotation?

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  9. Find the moment of inertia of a sphere about a tangent to the sphere, ...

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  10. What is the ratio of rotational K.E. to the translational K.E. of a ro...

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  11. What is the ratio of translational K.E. to the total K.E. of a rolling...

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  12. A solid shere and a hollow sphere are allowed to roll down n inclined ...

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  13. What is the condition for rolling of a solid cylinder withuot slipping...

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  14. What is torque due to gravity about an axis passing through C.M.?

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  15. Where does centre of mass of a triangular lamina lie?

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  16. Can the mass of a body be taken to the concentrated at its CM for calc...

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  17. Three identical spheres each of radius R are placed touching each ooth...

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  18. What is the direction of angular momentum of a body?

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  19. Which physical quantities are expressed by the following? Moment of li...

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  20. Which physical quantities are expressed by the following? Rate of chan...

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